CVE-2019-20630: Gpac

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains a heap-based buffer over-read in BS_ReadByte (called from gf_bs_read_bit) in utils/bitstream.c that can cause a denial of service via a crafted MP4 file.

Affected products

• Gpac Gpac: before 0.8.0 (fixed in 0.8.0)

Published 2020-03-24. Last modified 2026-06-17.